XYCOM XVME-974 Analog output module

The chargers built for 480 Vac input cannot be reconfigured for a lower AC input voltage, and such attempts shall not be made even if there are some other taps available for a lower AC input voltage. Such attempts void the warranty and in no way the manufacturer and/or the distributor/reseller may be held responsible for any consecutive damage(s). The control card power supply cable is always attached to 120 Vac taps, and MUST stay always attached to them. In case, if 120 Vac taps are not available directly off the power transformer, the control card power supply cable is attached to 240 Vac taps, and the corresponding control board jumpers SW1 are reconfigured as well. If neither 120 nor 240 Vac taps are available directly off the power transformer, a small T2 control transformer (with 120 Vac secondary) is used to power up the control board and possibly some other equipment.

Should you require reconfiguring a charger for a different input voltage

 the following instructions shall be executed: 1. Comply with the “IMPORTANT SAFETY INSTRUCTIONS” on page 3 of this manual prior to starting servicing the unit. 2. Ensure that all voltages are disconnected and secured from an accidental reconnection. 3. Ensure that the terminals are well connected. 4. Ensure that the stud terminals are tight. 5. Check your work after completion. 6. See the manual appendix for additional information if needed. Verify that no voltage is present by using a voltmeter at the input and output terminals.

Turning off the AC

DC circuit breakers on the charger does not eliminate live voltages inside the enclosure. After verifying that all voltages within the enclosure are de-energized and locked out, reconfigure T1 as shown on the drawings and in the tables on the following pages. Always ensure that your control board SW1 jumper configuration corresponds to that of the power cable J5-1 attachment, after reconfiguring the charger input voltage.

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